142374091 has 2 divisors, whose sum is σ = 142374092. Its totient is φ = 142374090.

The previous prime is 142374083. The next prime is 142374107. The reversal of 142374091 is 190473241.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 142374091 - 2³ = 142374083 is a prime.

It is not a weakly prime, because it can be changed into another prime (142374691) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71187045 + 71187046.

It is an arithmetic number, because the mean of its divisors is an integer number (71187046).

Almost surely, 2^142374091 is an apocalyptic number.

142374091 is a deficient number, since it is larger than the sum of its proper divisors (1).

142374091 is an equidigital number, since it uses as much as digits as its factorization.

142374091 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6048, while the sum is 31.

The square root of 142374091 is about 11932.0614731906. The cubic root of 142374091 is about 522.1680817387.

The spelling of 142374091 in words is "one hundred forty-two million, three hundred seventy-four thousand, ninety-one".